Air Pressure Tank Safety Orders

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California state printing office, 1916 - Air-compressors
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Page 3 - To appoint advisers who shall, without compensation, assist the commission in establishing standards of safety and the commission may adopt and incorporate in its general orders such safety recommendations as it may receive from such advisers.
Page 8 - When a boiler is fitted with two (2) safety valves on one (1) connection, this connection to the boiler shall have a cross-sectional area equal to or greater than the combined area of the two (2) safety valves. No valve of any description shall be placed between the safety valve and the boiler, nor on the escape pipe between the safety valve and the atmosphere. When an elbow is placed on a safety valve escape pipe it shall be located close to the safety valve outlet, or...
Page 8 - ... safety valve and the boiler, nor on the escape pipe between the safety valve and the atmosphere. When an elbow is placed on a safety valve escape pipe it shall be located close to the safety valve outlet, or the escape pipe shall be securely anchored and supported.
Page 5 - No person shall install or use, or cause to be installed or used, any tank or other receptacle, except pipes laid from tanks or other receptacles, for the keeping or storing of compressed air at any pressure exceeding fifty pounds per square inch, for use in operating pneumatic machinery, unless the owner or user thereof shall hold a certificate of inspection issued by the boiler inspection department of the district police...
Page 8 - Each boiler shall be provided with a one-fourth (J) inch pipe size connection for attaching inspector's test gage when boiler is in service, so that the accuracy of the boiler steam gage can be ascertained, as required by section 3, chapter...
Page 4 - Angeles Committee on Air Pressure Tank Safety Orders. TJ Royer (chairman), chief engineer, RA Rowen Company, representing the National Association of Stationary Engineers, No. 2 ; WB Eichbaum, Baker Iron Works, representing the Merchants and Manufacturers' Association ; CH Gray, inspector Maryland Casualty Company, representing the Casualty Underwriters' Association of Southern California ; RW Stewart, engineer city engineer's office, representing the Board of Public Works ; A.
Page 6 - Pig. 8, to % in. in thickness, provided the requirement in Par. 184 is complied with. 186 Welded Joints. The ultimate tensile strength of a longitudinal joint which has been properly welded by the forging process, shall be taken as 2*8,500 Ib. per sq. in., with steel plates having a range in tensile strength of 47,000 to 55,000 Ib. per sq. in. 187 Longitudinal Joints. The longitudinal joints of a shell or drum which exceeds 36 in. in diameter, shall be of butt and doublestrap construction.
Page 3 - Works, representing the California Employers' Federation ; JB Warner, Hartford Steam Boiler Inspection and Insurance Company, representing the Casualty Underwriters' Association of California ; Herbert S. Snead, representing the Otis Elevator Company ; P. Flaherty, representing the International Association of Machinists ; FE Pearson, representing the Garage Owners' Protective Association ; RL Hemingway, safety engineer, Industrial Accident Commission ; John R.
Page 3 - Pockman, safety engineer. Industrial Accident Commission; HL Boyd (secretary), safety engineer, Industrial Accident Commission. San Francisco Committee on Air Pressure Tank Safety Orders. PH Reardon (chairman), president General Machinery and Supply Company, representing the California Employers...

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